RT-SVX24Q-EN
7
Model Number Description
DIGIT 1: Unit Type
S = Self-Contained (Packaged Rooftop)
Digit 2 — Unit Function
E = DX Cooling, Electric Heat
F = DX Cooling, Natural Gas Heat
L = DX Cooling, Hot Water Heat
S = DX Cooling, Steam Heat
X = DX Cooling, No Heat, Extended Casing
Digit 3 — System Type
H = Single Zone
Digit 4 — Development Sequence
J = Ninth
Digit 5, 6, 7 — Nominal Capacity
090 = 90 Ton Air-Cooled
105 = 105 Ton Air-Cooled
120 = 120 Ton Air-Cooled
130 = 130 Ton Air-Cooled
150 = 150 Ton Air-Cooled
100 = 100 Ton Evap Condenser
118 = 118 Ton Evap Condenser
128 = 128 Ton Evap Condenser
140 = 140 Ton Evap Condenser
162 = 162 Ton Evap Condenser
Digit 8 — Voltage Selection
4 = 460/60/3 XL
5 = 575/60/3 XL
C = 380/50/3 XL
Digit 9 — Heating Capacity Selection
0 = No Heat
1 = Electric heat 90/56 kW 60/50 Hz
2 = Electric heat 140/88 kW 60/50 Hz
3 = Electric heat 265/166 kW 60/50 Hz
4 = Electric Heat 300/188 kW 60/50 Hz
A = Low Gas Heat — 2-stage
B = Medium Gas Heat — 2-stage
C = High Gas Heat — 2-stage
D = Low Gas Heat — Modulating
E = Medium Gas Heat — Modulating
F = High Gas Heat — Modulating
Digit 10 — Heating (continued)
Steam or Hot Water Heat:
G = Low Heat - 1.0" (25mm) Valve
H = Low Heat - 1.25" (32mm) Valve
J = Low Heat - 1.5" (38mm) Valve
K = Low Heat - 2.0" (50mm) Valve
L = Low Heat - 2.50" (64mm) Valve
M = Low Heat - 3.0" (76mm) Valve
N = High Heat - 1.0" (25mm) Valve
P = High Heat - 1.25" (32mm) Valve
Q = High Heat - 1.5" (38mm) Valve
R = High Heat - 2.0" (50mm) Valve
T = High Heat - 2.50" (64mm) Valve
U = High Heat - 3.0" (76mm) Valve
DIGIT 10, 11 — Design Sequence
A-ZZ = (Factory Assigned) Sequence may be
any letter A to Z, or any digit 1 to 9.
DIGIT 12 — Unit Configuration
Selection
1 = One-Piece Unit w/o Blank Section
2 = One-Piece Unit w/4' Blank Section
3 = One-Piece Unit w/8' Blank Section
4 = Two-Piece Unit w/o Blank Section
5 = Two-Piece Unit w/4' Blank Section
6 = Two-Piece Unit w/8' Blank Section
7 = Three-Piece unit w/o Blank Section
8 = Three-Piece Unit w/4' Blank Section
9 = Three-Piece Unit w/8' Blank Section
DIGIT 13 — Airflow Direction
1 = Downflow Supply/Upflow Return
2 = Downflow Supply/Horiz End Return
3 = Downflow Supply/Horiz Right Return
4 = Right Side Horiz Supply/Upflow Return
5 = Right Side Horiz Supply/Horizontal End
Return
6 = Right Side Horiz Supply/Horizontal Right
Return
DIGIT 14 — Supply Fan Options
1 = Standard CFM
3 = Standard CFM - TEFC Motor(s)
4 = Low CFM
6 = Low CFM - TEFC Motor(s)
7 = Standard CFM - w/ Motor Shaft
Grounding
9 = Standard CFM - TEFC Motor(s) w/ Shaft
Grounding
A = Low CFM - w/ Motor Shaft Grounding
C = Low CFM - TEFC Motor(s) w/ Shaft
Grounding
DIGIT 15 — Supply Fan Motor
Selection
F = 15 hp
G = 20 Hp
H = 25 Hp
J = 30 Hp
K = 40 Hp
L = 50 Hp
M = 60 Hp
N = 75 Hp
P = 100 Hp
DIGIT 16 — Supply Fan RPM Selection
7 = 700
8 = 800
9 = 900
A = 1000
B = 1100
C = 1200
D = 1300
E = 1400
F = 1500
G = 1600
H = 1700
J = 1800
K = 1900
L = 2000
DIGIT 17 — Exhaust/Return Fan
Options
0 = None
1 = Std CFM Exhaust Fan w/o Statitrac CV
Only
2 = Low CFM Exhaust Fan w/o Statitrac CV
Only
3 = Std CFM Exhaust w/o VFD w/ Statitrac
4 = Low CFM Exhaust w/o VFD w/ Statitrac
5 = Std CFM Exhaust w/ VFD w/ Bypass w/
Statitrac
6 = Low CFM Exhaust w/ VFD w/ Bypass w/
Statitrac
7 = Std CFM Exhaust w/ VFD w/o Bypass w/
Statitrac
8 = Low CFM Exhaust w/ VFD w/o Bypass w/
Statitrac
A = Std CFM Return w/o Statitrac CV Only
B = Low CFM Return w/o Statitrac CV Only
C = Std CFM Return w/ VFD w/ Bypass w/
Statitrac
D = Low CFM Return w/ VFD w/ Bypass w/
Statitrac
E = Std CFM Return w/ VFD w/o Bypass w/
Statitrac
F = Low CFM Return w/ VFD w/o Bypass w/
Statitrac